18829616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{90527}}^1$

素因数の和:90548

約数の個数: 20

約数和(自身を含む): 39289152

約数和(自身を除く): 20459536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 90527, 181054, 362108, 724216, 1176851, 1448432, 2353702, 4707404, 9414808, 18829616]

約数ペア:

[(1, 18829616), (2, 9414808), (4, 4707404), (8, 2353702), (13, 1448432), (16, 1176851), (26, 724216), (52, 362108), (104, 181054), (208, 90527)]